Concordance of MMR IS between reference method and field methods according to the performance characteristics of the 19 field methods that have undertaken the validation procedure for their current analytical systems
| Field methods group . | Performance characteristics . | Number of field methods (%) . | Number of validation samples . | MMR by either reference method and/or field methods . | MMR by reference method (% of all validation samples) . | MMR by field methods (% of all validation samples) . | MMR concordance (%) . | |
|---|---|---|---|---|---|---|---|---|
| Average difference, ± . | 95% limits of agreement . | |||||||
| 1 | 1.2-fold | ±5-fold | 11 (58) | 318 | 159 | 152 (48) | 151 (47) | 144 (91) |
| 2 | 1.2-fold | > ±5-fold | 6 (32) | 193 | 94 | 83 (43) | 79 (41) | 70 (74) |
| 3 | > 1.2-fold | any | 2 (10.5) | 87 | 25 | 22 (25) | 17 (20) | 15 (60) |
| Field methods group . | Performance characteristics . | Number of field methods (%) . | Number of validation samples . | MMR by either reference method and/or field methods . | MMR by reference method (% of all validation samples) . | MMR by field methods (% of all validation samples) . | MMR concordance (%) . | |
|---|---|---|---|---|---|---|---|---|
| Average difference, ± . | 95% limits of agreement . | |||||||
| 1 | 1.2-fold | ±5-fold | 11 (58) | 318 | 159 | 152 (48) | 151 (47) | 144 (91) |
| 2 | 1.2-fold | > ±5-fold | 6 (32) | 193 | 94 | 83 (43) | 79 (41) | 70 (74) |
| 3 | > 1.2-fold | any | 2 (10.5) | 87 | 25 | 22 (25) | 17 (20) | 15 (60) |